The fourth proportional to 2/3, 3/7, 4/9,........ is
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Answer:
2/7
Step-by-step explanation:
2/3 : 3/7 :: 4/9 : x
Product of extremes = Product of Means
= 2/3 × x = 3/7 × 4/9
= 2/3x = 4/21
= x = 4/21 × 3/2
x = 2/7
Hence fourth proportional = 2/7.
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